Stop-motion for speeders.



E. L. JACKSON.

STOP MOTION FOR SPEEDERS.

APPLIOATION FILED MAY 12, 1913.

1,092,364. Pat nted Apr. 7, 1914.

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E. L. JACKSON. STOP MOTION r01; SPEEDERS. APPLICATION FILED MAY 12, 1913.

1,092,364. Patented Apr. 7, 191i 8 SHEETS-SHEET 3.

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Patented Apr. 7, 1914;

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STOP MOTION FOR SPEEDERS.

APPLICATION IILED MAY 12, 19,12.

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E. L JACKSON. STOP MOTION FOR SPEEDBRS.

APILIOAT'ION FILED MAY 12, 1913.

1,092,364.- Ema Apr. 7, 191;

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ISnnentor witnessesv m I B5 I I attorneys count-u PLANOGIAPII c0.,\vAsmNm0N. D. c.

E. L. JACKSON.

STOP MOTION FOR SPEEDERS.

APPLICATION FILED MAY 12, 1913;

1,092,364. Patented Apr. 7, 1m

6 SHEETS-SHEET 6.

attorneys witnesses COLUMBIA PLANocnAPl-I (IO-,WASHINGTDN. n. C.

111 TWENT orrc EARNEST L. JACKSON, OF COLUMBUS, GEORGIA, ASSIGNOB, 0F SIX-TEN'IHS TO RICHARD C. DEIGNAN, OF COLUMBUS, GEORGIA.

STOP-MOTION FOR SPEEDERS.

Specification of Letters Patent.

Patented Apr. '7, 1914:.

Application filed May 12,1913. Serial N 0. 767,174.

To all whom it may concern: I

Be it known that I, Finnnnsr L. JACKSON, a citizen of the United States, residing at Columbus, in the county of Muscogee and State of Georgia, have invented certain new and useful Improvements in Stop-Motions for Speeders; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to stopping devices for speeders and has for an object to provide a device controlled from the traverse and with means for stopping the machine when the traverse runs over its predetermined variable limit.

A further object of the invention is to provide a mechanism supplemental and additional to the stop motion disclosed in application, Serial No. 728,147, filed October 28th, 1912.

In the aforesaid copending application provision is made for stopping the mechanism when the traverse runs over the limit of its maximum movement but no provision is made for stopping the mechanism when the traverse runs over its predetermined movement less than the maximum. The present application is to provide a structure applied to the mechanism disclosed in the said aforesaid application or substantially like said disclosure with means for shortening the eiiective stroke of the structure at each shortening of the stroke of the traverse and with means for stopping the mechanism if the traverse runs over such shortened stroke limit.

It is well known that in builder mechanisms employed upon speeders the movement of the traverse is shortened in each direction at each movement to give the inclined end wind of the thread upon the bobbin. At times the builder action fails to act by reason of clogging or otherwise and the traverse fails to reverse at the end of its shortened stroke continuing until damage is done.

The present invention comprises a device to operate in conjunction with the builder action of the speeder and to apply the stopping action if such traverse travels farther in its movement in either direction than its predetermined shortened limit of movement.

With these and other objects in view the invention comprises certain novel constructions, combinations and arrangement of parts as will be hereinafter more fully described and claimed.

In the drawings: Figure 1 is a view of the stopping mechanism in edge elevation. Fig. 2 is a view of the stopping mechanism in side elevation. Fig. 3 is a view of the stopping mechanism in side elevation seen from the side opposite the view of Fig. 2. Fig. 1 is a perspective view of the structure added to the stop motion disclosed in aforesaid copending application. Fig. 5 is a view in front elevation of a conventional builder motion having arms attached thereto for connection with the stop motion shown at Figs. 1 to 5 inclusive. Fig. 6 is a perspec tive view of the weighted drop, trigger and lock therefor. Fig. 7 is a perspective view of one of the sliding cam rods. Fig. 8 is a transverse sectional view taken on the plane of line 8-8 of Fig. 4. Fig. 9 is an enlarged detail view showing one of the movable detents tripped and in engagement with the rack. Fig. 10 is a perspective view of the weighted drop broken away and a fragment of the operating lever.

Like characters of reference designate corresponding parts throughout the several views.

The improved stop mechanism which forms the subject matter of this application is adapted to be used with a builder motion of the usual and ordinary type, as shown at Fig. 5 wherein the jaws 15 and 16 are actuated by the right and left screw 17 to control the movement of the traverse bar 18. The structures shown in the elements as described are found upon the speeders in com mon and ordinary use and do not enter into the present invention except in combination.

Adjacent the builder mechanism a stop mechanism is mounted similar to the stop mechanism disclosed in the aforesaid copending application comprising a frame 19 accommodating a bar 20 weighted as indicated at 21 and operating a bell-crank lever 22 which in turn actuates the belt shaft as disclosed in the said co-pending application. The weighted bar 20 is maintained in elevated position by a detent 23 which is released by the action of the arm 24: under in detail at Fig. 6.

the impulse of the spring 25. The arm 24 is held normally out of engagement with the detent 23 so as to permit the detent to retain the. rod in. elevated position by means of a trigger 26 having a shoulder 27 engaging behind the arm 24 to hold such arm out of engagement with the detent 23 and the trigger itself being held yieldingly in such engagement by the spring 28.

The trigger is released in two ways, one by means of the wrist pin 29 bearing thereon and carried by the disk 30,- the other means being by lifting the opposite end of such trigger by the lock 31, shown particularly In either case the action of the trigger 26 is the same, that of releasing the shoulder 27 from engagement with the arm 24 and permitting the spring to throw such arm into releasing engagement with the detent 23. The action of the disk and wrist pin 29 is brought about by means of a pinion 32 mounted upon the same shaft with the disk 30 and engaging a rack 33 or by lifting said rack which car- :5 ries therewith the lock 31 and thereby lifting the opposite end of said trigger 26.

The present invention is directed to a means for moving the rack 33 in either direction and thereby releasing the trigger and operating the tripping mechanism when the traverse runs over its predetermined limit. To accomplish this a frame comprising cross-pieces 34 and 35 held together by rods 36 and 37 is provided mounted upon the frame 19 by means of other rods 38 and 39 which extend through the cross-pieces 34 and 35, as shown more particularly at Figs.

1, 2 and 4 and engage brackets 40 and 41 rigidly secured to the frame 19, as indicated more particularly at Fig. 1. The rods 38 and 39 are longer than the rods 36 and 37 providing an interval between the crosspieces 34 and 35 and the brackets 40 and 41 and such intervals are filled by springs 42 and 43 so that the rigid frame comprising the cross-pieces 34 and 35 in rods 36 and 37 is suspended and movable upon the rods 38 and 39 cushioned in either direction by the springs 42 and 43. It is apparent, therefore, that the said rigid frame may move a limited distance yieldingly in either direc tion. To provide for such movement a rack 44 is introduced between the cross-pieces 34 and 35 having squared shoulders to make such rack rigid with the rigid frame and provided with a goose-neck 45 rigidly connected with the rack 33 so that the two racks 33 and 44 are rigidly connected together and when the rack 44 is moved the rack 33 moves therewith and as the movement of the rack 33 in either direction trips the stop action it will be apparent that any mechanism which will move the rack 44 in either direc tion will transmit such motion to the stop mechanism. To produce such movement of the rack 44 in either direction the said rack is provided with two sections having oppositely inclined teeth 46 and 47, as shown more particularly at Figs. land 4.

It will be apparent that when properly constructed detents move relative to the rack bar 44 the oppositely inclined teeth will serve to interengage with such detents and to move the rack 44 and the entire rigid frame therewith. Such detents are shown at 48 and 49 carried respectively byblocks 50 and 51 slidably mounted upon the several rods 36, 37, 38 and 39. The blocks 50 and 51 are provided respectively with arms 52 and 53 which connect with the traverse frame 18 through the medium of the screw carrying member 54, as shown at Fig. 5. It will be apparent, therefore, that as the traverse frame 18 and the screw carrying member 54 move upwardly and downwardly in the usual well known manner the blocks 50 and 51 and the detents 48 and 49 will travel upwardly and downwardly along the rack 44. The detents'48 and 49 are held normally out of engagement with the teeth 46 and 47 by means of cam rods 55 and 56 carried upon sliding bars 57 and 58, which said bars are bent as indicated at 57 and 58 and connected with the jaws 15 and 16, as shown more particularly at Fig. 5. It will be apparent, therefore, that as the jaws 15 and 16 are drawn together by the action of the right and left screw 17 the sliding rods 57 and 58 will move in like manner so that the cam extremities 55 and 56 will serve to limit the movement of the detents 48 and 49 in accordance with the movement of the aws 15 and 16. It will, therefore, be seen that at each revolution of the dogs 59 and the consequent drawing together of the jaws 15 and 16 the rods 57 and 58 will move to move the cam extremities 55 and 56 to act upon the detents 48 and 49. Under ordinary and normal conditions the rods 57 and 58 will move in unison with the blocks 50 and 51 so that the detents 48 and 49 do not engage the rack 44. If, however, the reversing motion should fail to operate the blocks 50 and 51' or move in either direction a greater distance than the movement provided at each time the detents 48 and 49 are thrown into on gagement with the rack 44 by means of the cam extremities 55 and 56 such action being shown at Fig.9 and the rack and frame moved in either direction to trip the stop mechanism. It will'thus be seen that any movement of the traverse a greater distance than provided by the movement of the jaws 15 and 16 regulating the reverse motion will immediately throw the stop action into engagement and stop the machine.

The stop action is reset by moving the bell-crank lever 22 in the direction indicated by the arrows at Figs. 2 and 3 thereby rais ing the weighted rod 20 and permitting the detent 23 to again engage and hold such rod in elevated position. As shown at Fig. 6 the weighted bar 20 is provided with a pin 60 which engages the cam extremity 61 of the latch 31 so that as the weighted bar 20 drops it throws the latch 31 out of engagement with the trigger 26 to permit the trigger to again be in proper relation to the arm 24, the latch being returned to position when the rack 33 is dropped and the bar 20 raised.

Other parts not specifically described which are herein shown form no essential part of the present invention and should their utility be obscure a disclosure may be found in the aforesaid copending application.

I claim 1. The combination with a builder motion of a speeder and a stop mechanism for said speeder, of means movable with the traverse of the speeder capable of tripping the stop motion when moving in either direction, and cams actuated by the jaws of the builder motion and moving normally therewith and normally holding the engaging means out of action.

2. The combination with a speeder comprising a traverse and builder motion, of a stop mechanism associated with said speeder, means carried by the stop mechanism for actuating the stop mechanism when moving in either direction, said means being connected with and movable with the traverse, and cams holding such means normally out of action and moving normally with the jaws of the builder motion.

3. The combination with a speeder embodying a traverse and builder motion, of a stop action, means normally moving with the traverse and not affecting the stop motion, and means carried by the jaws of the builder motion for actuating the stopping means when the traverse exceeds the limit of its predetermined movement.

4. The combination with a speeder embodying a traverse and builder motion, of a stop motion adapted to stop the speeder, said stop motion embodying a trip held normally out of engagement but operative upon movement in either direction, means movable with the traverse in both directions, and cams carried by the builder motion for throwing the traveling means into engagement to move the tripping mechanism when the traverse exceeds its movement in either direction.

In testimony whereof I affix my signature in presence of two witnesses.

EARNEST L. J AOKSON.

Witnesses:

Gr. F. DAVIS, S. A. SPIOEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

